阅读说明：本技术 一种多档位变化的三轮齿轮变速箱 (Three-wheel gear transmission with multiple gear changes ) 是由 蔡玲民 于娜 于 2020-11-19 设计创作，主要内容包括：本发明公开了一种多档位变化的三轮齿轮变速箱,属于变速箱技术领域,解决了现有三轮齿轮变速箱存在难以实现多挡位调整的问题,其技术要点是：包括变速箱,所述变速箱内部左侧设有转轴,所述转轴顶端贯穿变速箱顶部并与位于变速箱上方的电机的输出端固定连接,所述转轴外侧从上到下依次设置有第一齿轮、第二齿轮和第三齿轮,所述变速箱内部右侧设有输出轴,所述输出轴底部贯穿变速箱底部并与外部设备的输入轴固定连接,位于变速箱内部的所述输出轴外侧固定套设有输出齿轮,所述转轴和输出轴之间设置有传动组件,所述变速箱外侧壁上设有散热框,所述散热框内设有散热组件,具有多挡位稳定输出、灵活控制、快速散热和简便实用的优点。(The invention discloses a three-wheel gear transmission with multiple gear changes, belongs to the technical field of transmissions, solves the problem that the existing three-wheel gear transmission is difficult to realize multi-gear adjustment, and has the technical key points that: including the gearbox, the inside left side of gearbox is equipped with the pivot, the pivot top run through the gearbox top and with the output fixed connection who is located the motor of gearbox top, the pivot outside from the top down has set gradually first gear, second gear and third gear, the inside right side of gearbox is equipped with the output shaft, the output shaft bottom run through the gearbox bottom and with external equipment's input shaft fixed connection, be located inside the gearbox the fixed cover in the output shaft outside is equipped with output gear, be provided with drive assembly between pivot and the output shaft, be equipped with the heat dissipation frame on the gearbox lateral wall, be equipped with radiator unit in the heat dissipation frame, have many grades of stable output, flexible control, quick heat dissipation and simple and convenient practical advantage.)

1. The utility model provides a tricycle gear change case that many gears change, includes gearbox (1), its characterized in that, gearbox (1) inside left side is equipped with pivot (2), pivot (2) top run through gearbox (1) top and with the output fixed connection who is located motor (3) of gearbox (1) top, pivot (2) outside from the top down has set gradually first gear (5), second gear (6) and third gear (7), gearbox (1) inside right side is equipped with output shaft (9), output shaft (9) bottom run through gearbox (1) bottom and with the input shaft fixed connection of external equipment, be located gearbox (1) inside the fixed cover in output shaft (9) outside is equipped with output gear (11), be provided with drive assembly between pivot (2) and output shaft (9).

2. The three-wheel gearbox with multiple gear changes according to claim 1, characterized in that the transmission assembly comprises a first connecting frame (12), a second connecting frame (13), a first through hole (14), a rotating rod (15), a second through hole (16), a fourth gear (17), a fifth gear (18), a sixth gear (19) and a control panel (20), the first connecting frame (12) is arranged at the top of the inner side of the gearbox (1), the first through hole (14) is arranged in the middle of the first connecting frame (12), the second connecting frame (13) is arranged at the bottom of the inner side of the gearbox (1), the second through hole (16) is arranged in the middle of the second connecting frame (13), the rotating rod (15) is rotatably connected in the first through hole (14) and the second through hole (16), and the fourth gear (17) and the rotating rod (15) are sequentially and fixedly sleeved on the outer side of the rotating rod (15) from top to bottom, The top of the rotating rod (15) penetrates through the top of the gearbox (1) and is fixedly connected with the control plate (20), and the first gear (5), the second gear (6) and the third gear (7) are in transmission connection with the fourth gear (17), the fifth gear (18) and the sixth gear (19) in a gear meshing mode.

3. A multiple gear change three-wheel gearbox according to claim 2, characterised in that the sixth gear wheel (19) is in geared connection with the output gear wheel (11) in a geared manner.

4. A multiple gear change three-wheel gearbox according to claim 3, characterised in that the distance between the first gear (5) and the second gear (6) is smaller than the distance between the fourth gear (17) and the sixth gear (19), and the distance between the second gear (6) and the third gear (7) is smaller than the distance between the fourth gear (17) and the sixth gear (19).

5. A multiple gear change, three-wheel gear box according to claim 1, characterised in that the number of teeth of the first, second and third gears (5, 6, 7) decreases in sequence.

6. The three-wheel gear transmission with multiple gear changes according to claim 1, wherein a heat dissipation frame (21) is arranged on the outer side wall of the transmission (1), a heat dissipation assembly is arranged in the heat dissipation frame (21), the heat dissipation assembly comprises a U-shaped pipe (22), heat conduction oil (23) and heat conduction sheets (24), the U-shaped pipe (22) is arranged on one side, close to the transmission (1), in the heat dissipation frame (21), the heat conduction oil (23) is filled in the U-shaped pipe (22), the heat dissipation frame (21) is provided with the plurality of heat conduction sheets (24) on the side wall, one side of each heat conduction sheet (24) is located on the inner side of the heat dissipation frame (21), and the other side of each heat conduction sheet (24) is located on the outer side of the heat dissipation frame.

7. A gearbox with three-wheel gear according to claim 6, characterised in that said thermal oil (23) is an alkylbenzene type thermal oil.

Technical Field

The invention relates to the technical field of gearboxes, in particular to a three-wheel gear gearbox with multiple gear changes.

Background

The manual gearbox mainly comprises gears and shafts, and the speed change and torque change are generated by different gear combinations; the automatic gearbox AT consists of a hydraulic torque converter, a planetary gear, a hydraulic pitch-changing system and a hydraulic control system. The speed and torque changing is achieved by combining hydraulic transmission and gears.

Use the gearbox in a large number in the automotive filed, keep off a position in the use of current tricycle gear transmission less, be difficult to realize many fender position adjustment, be difficult to satisfy user's user demand, it is from top to bottom visible, current tricycle gear transmission exists the shortcoming that is difficult to realize many fender position adjustment, is difficult to obtain popularization and application.

Therefore, it is desirable to provide a multi-gear change three-wheel gear transmission, which is aimed at solving the above problems.

Disclosure of Invention

In view of the shortcomings in the prior art, an object of the present invention is to provide a three-wheel gear box with multiple gear changes, so as to solve the above problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a three-wheel gear transmission with multiple gear changes comprises a transmission case, wherein a rotating shaft is arranged on the left side inside the transmission case, the top end of the rotating shaft penetrates through the top of the transmission case and is fixedly connected with an output end of a motor positioned above the transmission case, a first gear, a second gear and a third gear are sequentially arranged on the outer side of the rotating shaft from top to bottom, an output shaft is arranged on the right side inside the transmission case, the bottom of the output shaft penetrates through the bottom of the transmission case and is fixedly connected with an input shaft of external equipment, an output gear is fixedly sleeved on the outer side of the output shaft positioned inside the transmission case, a transmission assembly is arranged between the rotating shaft and the output shaft, the motor works, the rotating shaft rotates to drive the first gear, the second gear and the third gear to rotate, the output shaft can be driven to rotate by controlling different, and multi-gear adjustment of the gearbox is realized.

As a further scheme of the invention, the transmission assembly comprises a first connecting frame, a second connecting frame, a first through hole, a rotating rod, a second through hole, a fourth gear, a fifth gear, a sixth gear and a control panel, the top of the inner side of the gearbox is provided with the first connecting frame, the middle of the first connecting frame is provided with the first through hole, the bottom of the inner side of the gearbox is provided with the second connecting frame, the middle of the second connecting frame is provided with the second through hole, the rotating rod is rotatably connected with the inner parts of the first through hole and the second through hole, the fourth gear, the fifth gear and the sixth gear are fixedly sleeved on the outer side of the rotating rod from top to bottom in sequence, the top of the rotating rod penetrates through the top of the gearbox and is fixedly connected with the control panel, and the first gear, the second gear and the third gear are respectively in transmission connection with the fourth gear, the fifth gear and the sixth gear in a gear meshing manner.

As a further scheme of the invention, the sixth gear is in transmission connection with the output gear in a gear meshing manner, so that the output of different gear rotating speeds can be realized, and the multi-gear effect of the device is realized.

As a further scheme of the present invention, a distance between the first gear and the second gear is smaller than a distance between the fourth gear and the sixth gear, and a distance between the second gear and the third gear is smaller than a distance between the fourth gear and the sixth gear, so that influence of other gears in a gear meshing transmission process is avoided, and stability of the device is improved.

As a further scheme of the invention, a heat dissipation frame is arranged on the outer side wall of the gearbox, a heat dissipation assembly is arranged in the heat dissipation frame, the heat dissipation assembly comprises a U-shaped pipe, heat conduction oil and heat conduction fins, the U-shaped pipe is arranged on one side, close to the gearbox, in the heat dissipation frame, the heat conduction oil is filled in the U-shaped pipe, a plurality of heat conduction fins are arranged on the side wall of the heat dissipation frame, one side of each heat conduction fin is located on the inner side of the heat dissipation frame, the other side of each heat conduction fin is located on the outer side of the heat dissipation frame, heat generated in the working process of the device can be absorbed by utilizing the heat conduction oil, the heat can be rapidly.

As a further aspect of the present invention, the numbers of teeth of the first gear, the second gear, and the third gear are sequentially decreased.

As a further scheme of the invention, the heat transfer oil is alkylbenzene type heat transfer oil.

In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:

according to the invention, through the transmission assembly and the control panel, meshing transmission among different gears can be controlled, multi-gear output of the gearbox is realized, the practicability of the gearbox is improved, heat in the gearbox can be quickly led out and radiated by utilizing the radiating assembly, the transmission effect is avoided when the temperature in the gearbox is too high, the stability of the device is improved, and the device has the effects of multi-gear stable output, flexible control, quick radiating, simplicity, convenience and practicability.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a low-speed configuration diagram in the embodiment of the invention.

Fig. 2 is a schematic diagram of a medium-speed structure in the embodiment of the present invention.

FIG. 3 is a high-speed structure diagram in an embodiment of the invention.

Fig. 4 is a schematic structural diagram of the improved embodiment of the invention.

Reference numerals: the device comprises a transmission 1, a rotating shaft 2, a motor 3, a first bearing 4, a first gear 5, a first gear 6, a second gear 7, a third gear 8, a second bearing 9, an output shaft 10, a fixed key groove 11, an output gear 12, a first connecting frame 13, a second connecting frame 13, a first through hole 14, a rotating rod 15, a second through hole 16, a fourth gear 17, a fifth gear 18, a sixth gear 19, a control panel 20, a heat dissipation frame 21, a U-shaped pipe 22, heat conduction oil 23 and a heat conduction sheet 24.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Example 1

Referring to fig. 1 to 3, a three-wheel gear transmission with multiple gear changes comprises a transmission case 1, a rotating shaft 2 is arranged on the left side inside the transmission case 1, the top end of the rotating shaft 2 penetrates through the top of the transmission case 1 and is fixedly connected with the output end of a motor 3 positioned above the transmission case 1, a first gear 5, a second gear 6 and a third gear 7 are sequentially arranged on the outer side of the rotating shaft 2 from top to bottom, an output shaft 9 is arranged on the right side inside the transmission case 1, the bottom of the output shaft 9 penetrates through the bottom of the transmission case 1 and is fixedly connected with an input shaft of an external device, an output gear 11 is fixedly sleeved on the outer side of the output shaft 9 positioned inside the transmission case 1, a transmission assembly is arranged between the rotating shaft 2 and the output shaft 9, the motor 3 works, the rotating shaft 2 rotates to drive the first gear 5, the second gear 6 and the, the output shaft 9 can be driven to rotate, the output shaft 9 is controlled to output at different rotating speeds, and multi-gear adjustment of the gearbox is achieved.

The transmission assembly comprises a first connecting frame 12, a second connecting frame 13, a first through hole 14, a rotating rod 15, a second through hole 16, a fourth gear 17, a fifth gear 18, a sixth gear 19 and a control panel 20, wherein the first connecting frame 12 is arranged at the top of the inner side of the gearbox 1, the first through hole 14 is arranged in the middle of the first connecting frame 12, the second connecting frame 13 is arranged at the bottom of the inner side of the gearbox 1, the second through hole 16 is arranged in the middle of the second connecting frame 13, the rotating rod 15 is rotatably connected to the first through hole 14 and the second through hole 16, the fourth gear 17, the fifth gear 18 and the sixth gear 19 are sequentially fixedly sleeved on the outer side of the rotating rod 15 from top to bottom, the top of the rotating rod 15 penetrates through the top of the gearbox 1 and is fixedly connected with the control panel 20, and the first gear 5, the second gear 6 and the third gear 7 are uniformly divided into a mode of gear engagement with the fourth gear 17, a gear 17, The fifth gear 18 and the sixth gear 19 are in driving connection.

According to the requirement, the control plate 20 is pulled upwards for different distances, the meshing positions of the fourth gear 17, the fifth gear 18 and the sixth gear 19 are adjusted through the rotating rod 15, the first gear 5, the second gear 6 and the third gear 7 are in transmission connection with the fourth gear 17, the fifth gear 18 and the sixth gear 19 respectively in a gear meshing mode, the adjustment of gears with different rotating speeds can be achieved, the practicability of the device is improved, when the first gear 5 is meshed with the fourth gear 17, high-speed output is achieved, when the second gear 6 is meshed with the fifth gear 18, medium-speed output is achieved, when the third gear 7 is meshed with the sixth gear 19, low-speed output is achieved, meshing transmission is achieved by controlling different gears, and different output rotating speeds can be achieved.

Preferably, in the present embodiment, the sixth gear 19 is in transmission connection with the output gear 11 by a gear meshing manner, so that output of different gear rotation speeds can be realized, and a multi-gear effect of the device can be realized.

Preferably, in this embodiment, a distance between the first gear 5 and the second gear 6 is smaller than a distance between the fourth gear 17 and the sixth gear 19, and a distance between the second gear 6 and the third gear 7 is smaller than a distance between the fourth gear 17 and the sixth gear 19, so that influence of other gears in a gear meshing transmission process is avoided, and stability of the device is improved.

Preferably, in the present embodiment, the numbers of teeth of the first gear 5, the second gear 6, and the third gear 7 are sequentially reduced.

Example 2

Referring to fig. 1 to 4, a three-wheel gearbox with multiple gear changes in embodiment 1 includes a gearbox 1, a rotating shaft 2 is disposed on the left side inside the gearbox 1, a top end of the rotating shaft 2 penetrates through a top of the gearbox 1 and is fixedly connected to an output end of a motor 3 located above the gearbox 1, a first gear 5, a second gear 6, and a third gear 7 are sequentially disposed on an outer side of the rotating shaft 2 from top to bottom, an output shaft 9 is disposed on the right side inside the gearbox 1, a bottom of the output shaft 9 penetrates through a bottom of the gearbox 1 and is fixedly connected to an input shaft of an external device, an output gear 11 is fixedly sleeved on an outer side of the output shaft 9 located inside the gearbox 1, a transmission assembly is disposed between the rotating shaft 2 and the output shaft 9, the motor 3 operates, the rotating shaft 2 rotates to drive the first gear 5, the second gear 6, and the third gear, through the different positions of control transmission assembly, can drive output shaft 9 and rotate to control output shaft 9 and export with the rotational speed of difference, realize the multi-gear adjustment of gearbox.

The difference with embodiment 1 is that, be equipped with heat dissipation frame 21 on the 1 lateral wall of gearbox, be equipped with radiator unit in the heat dissipation frame 21, radiator unit includes U type pipe 22, conduction oil 23 and conducting strip 24, be provided with U type pipe 22 near 1 one side of gearbox in the heat dissipation frame 21, it has conduction oil 23 to fill in the U type pipe 22, be provided with a plurality of conducting strip 24 on the heat dissipation frame 21 lateral wall, one side of conducting strip 24 is located the inboard of heat dissipation frame 21, the opposite side of conducting strip 24 is located the outside of heat dissipation frame 21, utilizes conduction oil 23, can absorb the heat that produces in the device working process, utilizes conducting strip 24, can derive the heat fast, improves the radiating efficiency of device.

Preferably, in this embodiment, the thermal oil 23 is alkylbenzene type thermal oil.

The rest of the structure of this example is the same as example 1.

The working principle of the invention is as follows:

the motor 3 works, the rotating shaft 2 rotates to drive the first gear 5, the second gear 6 and the third gear 7 to rotate, the control plate 20 is pulled upwards by different distances, the meshing positions of the fourth gear 17, the fifth gear 18 and the sixth gear 19 are adjusted through the rotating rod 15, through the transmission connection of the first gear 5, the second gear 6 and the third gear 7 with the fourth gear 17, the fifth gear 18 and the sixth gear 19 respectively in a gear meshing way, the adjustment of different rotating speed gears can be realized, the practicability of the device is improved, when the first gear 5 and the fourth gear 17 are meshed, the high-speed output is realized, when the second gear 6 is meshed with the fifth gear 18, the output is medium-speed, and when the third gear 7 is meshed with the sixth gear 19, the output is low-speed, and different output rotating speeds can be realized by controlling different gears to carry out meshing transmission.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.